Corporation · South Dakota · 2026
What a corporation really costs in South Dakota
Every state fee and deadline for a corporation in South Dakota, from the official state source, checked October 2026.
To form
$150
Articles of Incorporation
First year with the state
~$205
Filing + one round of required reports and minimum taxes
With Incorra
$150
Free filing, state fee at cost. Or $399 with Plus (agent + reports, $249/yr).
Every recurring requirement
- South Dakota annual reportEvery year in the month you formed. Due on the 1st day of the anniversary month each year, starting the year after formation; $55 online ($70 paper).$55
How fast
- Expedited Service+$50
Questions
How much does it cost to form a corporation in South Dakota?
South Dakota charges $150 to file the Articles of Incorporation.
What does a corporation cost every year in South Dakota?
South Dakota annual report: $55, every year in the month you formed (Due on the 1st day of the anniversary month each year, starting the year after formation; $55 online ($70 paper).).
Can I expedite a corporation filing in South Dakota?
Yes: Expedited Service for $50, on top of the filing fee.
What if my corporation was formed in another state?
To do business in South Dakota you register as a foreign entity: Certificate of Authority (foreign corporation), $750.
Not sure a corporation is right?
Describe your business and Incorra compares LLC, S-corp and C-corp with your numbers, including the tax when you sell, then files it in South Dakota.
Plan my company freeSource: https://sdsos.gov/general-information/filing-fees.aspx · verified 2026-10-15. State fees change; Incorra re-checks them regularly. General information, not legal or tax advice.